Company lists · Data refreshed October 2026
Top 25 AI search retrieval infrastructure platforms software companies worldwide
RevenueBase identified 948 AI search retrieval infrastructure platforms software companies worldwide as of October 2026 and tracks 20,270 professional contacts across them, including 7,937 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers AI search retrieval infrastructure platforms software companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed October 1, 2026. Country and city lists for AI search retrieval infrastructure platforms software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest AI search retrieval infrastructure platforms software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,296 contacts → | ||||
Strong evidence “Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,693 contacts → | ||||
Indirect evidence “AlphaSense is the technology behind the business world’s most important decisions – from Wall Street to boardrooms across every major industry.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 3 | 886 contacts → | ||||
Strong evidence “Coveo is the leader in AI-Relevance, delivering best-in-class AI-search and generative experiences that maximize business outcomes at every point-of-experience.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 4 | 811 contacts → | ||||
Strong evidence “Algolia is a leading AI search and discovery platform, powering more than 1.75 trillion queries each year for over businesses worldwide.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 5 | 589 contacts → | ||||
Strong evidence “At Conductor, we’re on a mission to help companies realize the full potential of their AI search presence and translate their wisdom into content that helps people.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 6 | 336 contacts → | ||||
Indirect evidence “Enterprise websites of the future are intelligent.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 7 | 253 contacts → | ||||
Strong evidence “Botify’s AI search solutions give brands the power to be found everywhere, by consumers, bots, and agents alike.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 8 | 241 contacts → | ||||
Strong evidence “You.com provides the leading Web Search APIs for AI.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 9 | 206 contacts → | ||||
Strong evidence “Doofinder's AI-powered technology turns your standard eCommerce search engine into the perfect tool to sell more and offer an excellent user experience.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 10 | 205 contacts → | ||||
Partial evidence “Lucidworks makes search a superpower-ensuring the right information reaches the right people at the right time.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 11 | 159 contacts → | ||||
Strong evidence “Hash Agile Technologies is an enterprise software company delivering secure, scalable, AI-powered data and application platforms for modern businesses.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 12 | 146 contacts → | ||||
Partial evidence “Luigi’s Box is a set of tools for e-commerce (search analytics, site search & product discovery), that helps you to increase your sales and conversions by providing your visitors…” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 13 | 139 contacts → | ||||
Partial evidence “E-commerce is evolving, but retailers still face critical gaps - unconverted searches, rising ad costs, and fragmented discovery experiences.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 14 | 128 contacts → | ||||
Partial evidence “Sinequa by ChapsVision helps large organizations turn Entreprise Knowledge into actionable intelligence with AI and GenAI.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 15 | 126 contacts → | ||||
Partial evidence “Transformational Search Made with Empathy.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 16 | 110 contacts → | ||||
Partial evidence “SearchStax - the Search Experience Company - enables marketers and developers to deliver fast, relevant website search experiences.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 17 | 97 contacts → | ||||
Strong evidence “Accurate, Private, and Secure AI-Driven Enterprise Intelligence at Scale We are the enterprise AI platform built for regulated industries, streamlining enterprise search and…” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 18 | 91 contacts → | ||||
Strong evidence “Writesonic runs your marketing for the AI-search era.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 19 | 86 contacts → | ||||
Strong evidence “FactFinder empowers eCommerce businesses to achieve more – driving higher conversion rates, revenue and customer loyalty through AI-powered product discovery and search.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 20 | 80 contacts → | ||||
Indirect evidence “Infinnium is redefining the way organizations interact with data to gain actionable intelligence.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 21 | 72 contacts → | ||||
Strong evidence “Surfer is the most complete platform for AI Search Optimization and visibility.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 22 | 68 contacts → | ||||
Partial evidence “Zoxima Solutions | Enterprise AI OS We make every employee 5x more productive, without replacing the systems you already own.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 23 | 66 contacts → | ||||
Partial evidence “Put AI to work on the live web, with enterprise control.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 24 | 64 contacts → | ||||
Partial evidence “At Vectara, we built our Enterprise Agent Platform to meet enterprise requirements for security, accuracy, scalability, and observability.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
| 25 | 59 contacts → | ||||
Partial evidence “We help large organizations deploy enterprise AI systems at scale.” Source: RevenueBase Database · checked Oct 1, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: AI search retrieval infrastructure platforms software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names AI search retrieval infrastructure platforms software companies.
- Partial evidence
- Its own public description names part of AI search retrieval infrastructure platforms software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name AI search retrieval infrastructure platforms software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 948 AI search retrieval infrastructure platforms software companies worldwide
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AI search retrieval infrastructure platforms software companies worldwide at a glance
As of Oct 1, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among AI search retrieval infrastructure platforms software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for AI search retrieval infrastructure platforms software companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “AI search retrieval infrastructure platforms software companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names AI search retrieval infrastructure platforms software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among AI search retrieval infrastructure platforms software companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 7,937 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
AI search retrieval infrastructure platforms software companies by location
6 lists · largest firstEvery AI search retrieval infrastructure platforms software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- AI search retrieval infrastructure platforms software companies based in the United States241
- AI search retrieval infrastructure platforms software companies based in India65
- AI search retrieval infrastructure platforms software companies based in Germany45
- AI search retrieval infrastructure platforms software companies based in the United Kingdom43
- AI search retrieval infrastructure platforms software companies based in Canada26
Cities
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names AI search retrieval infrastructure platforms software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many AI search retrieval infrastructure platforms software companies are there worldwide?
RevenueBase identified 948 AI search retrieval infrastructure platforms software companies worldwide as of October 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Elastic, headquartered in San Francisco, tops this list with the largest team on record.
Which country has the most AI search retrieval infrastructure platforms software companies?
The United States leads with 241 companies, followed by India (65) and Germany (45). Every AI search retrieval infrastructure platforms software companies list by country and city is linked on this page.
Which city has the most AI search retrieval infrastructure platforms software companies?
San Francisco leads with 33 headquartered companies, followed by London (27) and Bangalore (20).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,937 verified decision-maker contacts tracked across these 948 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.